文本框中的搜索建议

SearchSuggestions.java

@Override
public boolean onQueryTextChange(String searchText) {
  // 清空上一次的搜索结果
  GlobalInfo.searchGameResults.clear();

  // 取得搜索结果集
  int resultCount = 0;
  for (HashMap<String, String> item : GlobalInfo.searchGameSet) {
    if (item.get("game_name").contains(searchText)) {
      resultCount++;
      GlobalInfo.searchGameResults.add(item);
    }
  }
  String[] results = new String[resultCount];
  for (int i = 0; i < results.length; i++) {
    results[i] = GlobalInfo.searchGameResults.get(i).get(
        "game_name");
  }

  // 构造结果cursor
  String[] columnNames = { "_id", "game_name" };
  MatrixCursor cursor = new MatrixCursor(columnNames);
  String[] template = new String[2];
  int id = 0;
  for (String item : results) {
    template[0] = String.valueOf(id++);
    template[1] = item;
    cursor.addRow(template);
  }

  // 更新adapter
  searchView.setSuggestionsAdapter(new SimpleCursorAdapter(
      GlobalInfo.currentActivity, R.layout.search_result,
      cursor, new String[] { "game_name" },
      new int[] { R.id.game_name }));

  return false;
}